Environmental polymorphism registry launched.
January January: see month. 2004 saw the launch by the NIEHS NIEHS National Institute of Environmental Health Sciences (NIH, DHHS) and the University of North Carolina-Chapel Hill of the Environmental Polymorphism polymorphism, of minerals, property of crystallizing in two or more distinct forms. Calcium carbonate is dimorphous (two forms), crystallizing as calcite or aragonite. Titanium dioxide is trimorphous; its three forms are brookite, anatase (or octahedrite), and rutile. Registry The configuration database in all 32-bit versions of Windows that contains settings for the hardware and software in the PC it is installed in. The Registry is made up of the SYSTEM.DAT and USER.DAT files. Many settings previously stored in the WIN.INI and SYSTEM. . This innovative registry will eventually contain genetic data gathered from blood samples collected from more than 20,000 consenting subjects. It will allow researchers at the two facilities to identify groups with genetic polymorphisms and therefore better study the complex nature of the links between environmental exposures, genetic susceptibilities, and human disease.
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